Dieless forming of casting sand core for complex tractor parts
The sand mold sand core of tractor complex castings adopts the methods of increasing material manufacturing and reducing material manufacturing […]
Scientific
Scientific
Scientific
Shrinkage porosity and shrinkage cavity in steel castings
During solidification, the steel casting will produce liquid shrinkage and solidification shrinkage. When the feeding system cannot provide sufficient liquid
Scientific
Casting technology and parting design of tractor
The structure of tractor castings is complex. For example, the transmission case shell part of chassis is a thin-walled shell
Scientific
Finish machining and NC program generation of sand casting mold template
Finally, it enters the finishing stage of sand casting mold template, in which the part cutting allowance is set to
Scientific
Microstructure comparison of gray cast iron with the same strength
Figure 1 and Figure 2 respectively show the graphite morphology and matrix structure of two kinds of gray cast iron
Scientific
Comparison of machinability of gray cast iron with the same strength
As shown in the table, the mechanical properties of gray cast iron poured in two different heats are shown. It
Scientific
Effect of inoculation treatment with different inoculants on Machinability of gray cast iron
When the rotating speed and feed rate are constant, the cutting length of the cutting edge for cutting each sample
Scientific
Solid modeling of tooling for sand casting coupling parts
The solid models of sand mold casting, sand core, sprue and riser are made in the form of part modeling.
Scientific
Riser design of coupling parts of sand casting
Riser refers to the structure artificially set in the pouring and riser system to store metal liquid. In the pouring
Scientific
Effect of microstructure on mechanical properties of cutting gray cast iron
1.Graphite morphology Figure 4 shows the graphite morphology of two groups of gray cast iron samples. It can be seen
Scientific
Three dimensional modeling of sand casting mold template
Sand casting molds mostly belong to the blank mold of casting products, and the template is a part and the
Scientific
Finite element analysis of sand casting coupling parts
1. Structure description of sand casting coupling parts Based on the above reasons, this topic adds the working condition mechanical
Scientific
Effect of different alloying on Machinability of gray cast iron
When the rotating speed and feed rate are constant, the cutting length of each sample cut by gray cast iron
Scientific
Influence of blade reassembly and replacement on cutting gray cast iron
The influence of reassembly of the same blade at different cutting depths on the cutting force is shown in the
Scientific
Influence of blade reassembly and replacement on cutting gray cast iron
One of the important physical parameters in the process of cutting gray cast iron is cutting force. In the process
Scientific
Analysis and comparison of shrinkage cavity, porosity and solidification defects in sand casting
Shrinkage cavity in sand casting is a common casting defect, which is basically a volume loss defect. According to the
Scientific
Calibration method for cutting force of gray cast iron
In the gray cast iron cutting force measurement test, the different installation position of the turning tool and the sticking
Scientific
Method for measuring cutting force of gray cast iron
In the process of gray cast iron cutting, the cutting force of gray cast iron directly determines the wear, damage,
Scientific
Production results of large nodular cast iron roll samples
Figure 1 is the physical drawing of large ductile iron castings. 1. Inspection of attached cast test block Figure 2
Scientific
Melting process of large nodular cast iron roll
1. Selection of raw materials High quality raw materials are required for the production of as Cast High Toughness Nodular
Scientific
Welding process flow and control requirements of nodular cast iron end cover castings
Since ductile iron castings are prone to crack defects during cold welding, in order to ensure that all relevant properties
Scientific
Analysis of casting process problems and improvement scheme of nodular cast iron support casting
1. Cause analysis The modified ductile iron casting process is drawn into a three-dimensional diagram by 3D software, and then
Scientific
Improvement measures and practice of new type lost foam casting vibrating system
1. Improve the stiffness and strength of lost foam casting sand box The bottom of lost foam casting sand box
Scientific
Application of a new type of vibrating table in lost foam casting
Lost foam casting requires that the molding sand can fill the mold space tightly during molding. Therefore, the vibrating system
Scientific
Measurement method of Vickers hardness of precision casting parts
Precision casting Vickers hardness test is a kind of indentation hardness test. The value of Vickers hardness has nothing to
Scientific
Casting technology of nodular cast iron support casting
The heavy truck rear axle leaf spring support is the key component connecting the leaf spring and the frame. It
Scientific
Cause analysis of surface defects of AlMg10 alloy casting parts
It can be seen from the chemical composition analysis, microstructure metallography and SEM observation results of the part alloy that
Scientific
Filling velocity equation of sand casting
Sand casting method is usually adopted for machine tool bed, and its process flow mainly includes the following steps: ①
Scientific
Influence of centrifuge spindle vibration on black spot defect of diesel engine cast iron cylinder liner
The structure of horizontal centrifuge is simple, and abnormal vibration of centrifuge spindle occurs from time to time. The abnormal
Scientific
Effect of cooling and solidification conditions on black spot defect of cast iron cylinder liner of diesel engine
During the cooling and solidification process of cylinder liner, the cooling water from the outer wall metal mold and impacting